Ultrasonic sensor and robot cleaner equipped therewith

    公开(公告)号:US11666194B2

    公开(公告)日:2023-06-06

    申请号:US16756205

    申请日:2018-10-31

    Inventor: Jaehong Park

    Abstract: In order to achieve the objective of the present disclosure, a robot cleaner for performing autonomous navigation according to one embodiment of the present disclosure comprises: a main body; a driving unit for moving the main body; an ultrasonic sensor for sensing a distance between the main body and an obstacle; and a controller for controlling the driving unit by using an output value of the ultrasonic sensor, wherein the ultrasonic sensor comprises: a transmitting unit, installed at one point on the outer surface of the main body, for emitting ultrasonic waves in a predetermined direction; a plurality of receivers, installed at positions spaced apart from the transmitting unit by a predetermined distance on the outer surface of the main body, for receiving ultrasonic waves reflected by the obstacle after being emitted from the transmitting unit; and an electrical signaling unit for electrically connecting at least one of the plurality of receivers to the transmitting unit.

    CONTAINER AND CLEANING BASE STATION
    103.
    发明公开

    公开(公告)号:US20230148822A1

    公开(公告)日:2023-05-18

    申请号:US17898881

    申请日:2022-08-30

    CPC classification number: A47L11/4083 A47L11/4075 A47L11/4016 A47L2201/02

    Abstract: A container includes a tank body and a cover. The tank body defines an opening. The cover detachably covers the opening of the tank body. A sidewall of the tank body defines an accommodating groove. The cover includes a cover body and a plug-in piece extending from the cover body to the tank body. The plug-in piece is capable of extending into the accommodating groove. The container further includes a fixing piece, and the fixing piece detachably covers an opening of the accommodating groove and is capable of being buckled with the plug-in piece accommodated in the accommodating groove.

    A PLURALITY OF ROBOT CLEANERS AND METHOD FOR CONTROLLING THE SAME

    公开(公告)号:US20230144509A1

    公开(公告)日:2023-05-11

    申请号:US17918210

    申请日:2020-10-27

    CPC classification number: A47L11/4011 A47L2201/06 A47L2201/02

    Abstract: Disclosed is a method of controlling a plurality of robot cleaners, the method including a first step of docking a first robot cleaner and a second robot cleaner with a first docking device and a second docking device, respectively, a second step of checking whether the first robot cleaner is undocked from the first docking device, and a third step of if the first robot cleaner docked with the first docking device again, undocking the second robot cleaner from the second docking device.

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